242232561773 has 2 divisors, whose sum is σ = 242232561774. Its totient is φ = 242232561772.

The previous prime is 242232561749. The next prime is 242232561787. The reversal of 242232561773 is 377165232242.

242232561773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240191148649 + 2041413124 = 490093^2 + 45182^2 .

It is a cyclic number.

It is not a de Polignac number, because 242232561773 - 2¹⁰ = 242232560749 is a prime.

It is a super-2 number, since 2×242232561773² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242232561733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121116280886 + 121116280887.

It is an arithmetic number, because the mean of its divisors is an integer number (121116280887).

Almost surely, 2^242232561773 is an apocalyptic number.

It is an amenable number.

242232561773 is a deficient number, since it is larger than the sum of its proper divisors (1).

242232561773 is an equidigital number, since it uses as much as digits as its factorization.

242232561773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 44.

The spelling of 242232561773 in words is "two hundred forty-two billion, two hundred thirty-two million, five hundred sixty-one thousand, seven hundred seventy-three".